【Daily Question】Registered Safety Engineer 2021.11.2
Thread Content
Fatigue is divided into muscle fatigue and mental fatigue. Muscle fatigue refers to soreness in areas of muscles that are under excessive strain, while mental fatigue is related to central nervous system activity. The causes of fatigue stem from work condition factors and the worker’s own factors. Among the factors that cause fatigue, which ones are related to the worker themselves? A. Work intensity B. Skill level C. Environmental lighting D. Working posture Answer: B Explanation: Human characteristics – Factors related to the worker himself include his skill level, operational proficiency, physical condition and adaptability to the work, as well as nutrition, age, rest, living conditions, and work-related emotions. Working conditions factors: Refer generally to all aspects of the working environment that affect workers’ labor process, including unreasonable labor systems and production organization. Such as excessive working time, high intensity, too fast pace, or poor posture ； The machinery and tools are in poor condition and poorly designed. If the controller and display do not meet human psychological and physiological requirements ； The working environment is very poor. Such as poor lighting, excessive noise, vibration, high temperatures, high humidity, and air pollution.
B Analysis: Human characteristics – factors related to the worker himself: Worker-related factors include the worker’s level of proficiency, operational skills, physical condition and adaptability to work, as well as nutrition, age, rest, living conditions, and working mood. Working conditions factors: Refer generally to all aspects of the working environment that affect workers’ labor process, including unreasonable labor systems and production organization. Such as excessive working time, high intensity, too fast pace, or poor posture ； The machinery and tools are in poor condition and poorly designed. If the controller and display do not meet human psychological and physiological requirements ； The working environment is very poor. Such as poor lighting, excessive noise, vibration, high temperatures, high humidity, and air pollution.